export type ParsedSyncResponse = {
    /** Number of items the server reported as synced (0 when the shape drifted). */
    synced: number;
    /** False when the body did not match the expected contract. */
    valid: boolean;
    /** Server-advertised "current published version", when present and well-formed. */
    cliLatest?: string;
};
/**
 * Validate a `/api/sync` response body without throwing. A 200 response means
 * the items were already persisted server-side, so a drifted shape must not
 * fail the sync — it is surfaced via `valid: false` and counted as 0 so the
 * caller can warn while still treating the push as accepted.
 */
export declare function parseSyncResponse(raw: unknown): ParsedSyncResponse;
/**
 * Read the optional `cli.latest` advisory off any authenticated-endpoint
 * response body. Shared with the guide-bundle pull, which carries the same
 * hint so a sync with nothing to push still learns it without a second call
 * (`cli-self-update-plan.md` §6). Never throws: an absent or malformed `cli`
 * yields `undefined`, leaving the caller's own result untouched.
 */
export declare function extractCliLatest(raw: unknown): string | undefined;
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